Browsing MIT Sea Grant by Issue Date

Now showing items 1-20 of 36

    • Ballast Water Exchange in the North Atlantic 

      Pederson, Judith; Fertig, Benjamin (Massachusetts Institute of Technology. Sea Grant College Program, 2004)
      This white paper focuses on the regional component of ballast water management and specifically addresses concerns in the Gulf of St. Lawrence and Gulf of Maine. It summarizes vessel traffic and ballast water exchange in ...

    • Reconfigurable Modem for Ocean Observatories 

      Sozer, Ethem Mutlu (Massachusetts Institute of Technology. Sea Grant College Program, 2005)
      Acoustic communications is an important part of underwater research. The mass amount of data collected by sub-sea devices can be made available to the scientific community in real-time with the utilization of acoustic modems.

    • Marine Invaders in the Northeast: Rapid Assessment Survey of Non-native and Native Marine Species of Floating Dock Communities, August 2003 

      Pederson, Judith; Bullock, Robert; Carlton, James; Dijkstra, Jennifer; Dobroski, Nicole; e.a. (Massachusetts Institute of Technology. Sea Grant College Program, 2005)
      In his seminal book on The Ecology of Invasions by Animals and Plants, Elton (1958) laid the foundation for the science of biological invasions. He identified the importance of human-mediated vectors as means of transporting ...

    • Adapting a Survey-Class AUV for High Resolution Seafloor Imaging 

      Morash, James; Damus, Robert; Desset, Samuel; Polidoro, Victor; Chryssostomidis, Chryssostomos (Massachusetts Institute of Technology. Sea Grant College Program, 2005)
      Over the past four years, development work at the MIT AUV Lab focused on a vehicle that is now almost a decade old. “Xanthos,” one of the last surviving examples of the venerable Odyssey II series of AUVs (developed at MIT ...

    • Affordable Deep Ocean Exploration with a Hovering Autonomous Underwater Vehicle: Odyssey IV: a 6000 Meter Rated, Cruising and Hovering AUV 

      Polidoro, V.; Desset, S.; Chryssostomidis, Chryssostomos; Hover, Franz S.; Morash, J.; e.a. (Massachusetts Institute of Technology. Sea Grant College Program, 2005)
      The Autonomous Underwater Vehicle Laboratory (AUVLAB) at the Massachusetts Institute of Technology (MIT) is currently building and testing a new, general purpose and inexpensive 6000 meter capable Hovering Autonomous ...

    • Adaptive Management for Impacts to Eelgrass Habitat in Gloucester Harbor 

      Wilbur, Anthony R.; Wilbur, Brandy M. M.; Colarusso, Phil (Massachusetts Institute of Technology. Sea Grant College Program, 2007)
      The Massachusetts Office of Coastal Zone Management and the Massachusetts Institute of Technology Sea Grant College Program, along with partners, led an effort to create an eelgrass bank, raise awareness of the value of ...

    • Linearized Hovering Control With One or More Azimuthing Thrusters 

      Hover, Franz S. (Massachusetts Institute of Technology. Sea Grant College Program, 2007)
      We propose a simple method of control system design for marine vehicles with one or more azimuthing propulsors, and specifically for the case where the speed of the actuator is on the same time scale as the plant dynamic ...

    • Lateral-Line Inspired MEMS-Array Pressure Sensing for Passive Underwater Navigation 

      Fernandez, Vicente Ignacio; Hou, Stephen M.; Hover, Franz S.; Lang, Jeffrey H.; Triantafyllou, Michael S. (Massachusetts Institute of Technology. Sea Grant College Program, 2007-07)
      This paper presents work toward the development of a novel MEMS sensing technology for AUVs. The proposed lateral line-inspired sensor system is a high-density array of pressure sensors for measuring hydrodynamic disturbances. ...

    • Gradient-Free Stochastic Sensitivity Analysis of the Shipboard Power System 

      Prempraneerach, P.; Foo, J.; Triantafyllou, Michael S.; Chryssostomidis, Chryssostomos; Karniadakis, George E. (Massachusetts Institute of Technology. Sea Grant College Program, 2008)
      Sensitivity analysis results are useful both for the early design stage – where the parametric space can be substantially reduced – but also in operating conditions, e.g. of the future electric ship, resulting in reduced ...

    • Design of the All-Electric Ship: Focus on Integrated Power System Coupled to Hydrodynamics 

      Prempraneerach, P.; Kirtley, James L., Jr.; Chryssostomidis, Chryssostomos; Triantafyllou, Michael S.; Karniadakis, George E. (Massachusetts Institute of Technology. Sea Grant College Program, 2008)
      We present a detailed model of the integrated power system coupled to hydrodynamics that allows us to study global sensitivities in the All-Electric Ship. A novel element of our formulation is the stochastic modeling of ...

    • AUVNetSim: a Simulator for Underwater Acoustics Networks 

      Montana, Josep Miquel Jornet (Massachusetts Institute of Technology. Sea Grant College Program, 2008-05)
      AUVNetSim is a simulation library for testing acoustic networking algorithms. It is written in Python and makes extensive use of the SimPy discrete event simulation package. AUVNetSim is interesting for both end users and ...

    • Geographical Analysis of Ballast Water Data and Potential Threats of Invasive Species for the North Eastern United States 

      Dassuncao, Clifton (Massachusetts Institute of Technology. Sea Grant College Program, 2008-12)
      The globalization of consumer goods and natural resources has led to an unintentional increase in exchanges of native biota (Bright 1999, Barbier and Shogren 2004, Perrings et al. 2005). Organisms that were once constrained ...

    • Towards amphibious robots: Asymmetric flapping foil motion underwater produces large thrust efficiently 

      Licht, Stephen Carl; Wibawa, Martin; Hover, Franz S.; Triantafyllou, Michael S. (Massachusetts Institute of Technology. Sea Grant College Program, 2009)
      The development of amphibious robots requires actuation that enables them to crawl as well as swim; sea turtles are excellent examples of amphibious functionality, that can serve as the biomimetic model for the development ...

    • Scalability of Non-intrusive Load Monitoring for Shipboard Applications 

      Paris, James; Remscrim, Zachary N.; Douglas, Keith; Leeb, Steven B.; Cox, Robert W.; e.a. (Massachusetts Institute of Technology. Sea Grant College Program, 2009)
      The non-intrusive load monitor has been demonstrated as an effective tool for evaluating and monitoring shipboard electro-mechanical systems through analysis of electrical power data. A key advantage of the non-intrusive ...

    • AUV NILM Update 

      Cox, Robert; Leeb, Steven B. (Massachusetts Institute of Technology. Sea Grant College Program, 2009)
      Work on the AUV NILM project has proceeded along two main fronts: (1) NILM System Development; (2) Diagnostics for Li-Ion Batteries

    • Touch-at-a-Distance: Pressure Microsensor Arrays for AUV Navigation 

      Lang, Jeffrey H.; Hover, Franz S.; Triantafyllou, Michael S. (Massachusetts Institute of Technology. Sea Grant College Program, 2009)
      Inspired by the lateral-line organ in fish, the ultimate objective of this project continues to be the development of a passive system for AUVs that can detect, classify and locate underwater objects. The lateral line ...

    • Field Demonstration of a Real-time Non-intrusive Monitoring System for Condition-based Maintenance 

      Proper, Ethan; Cox, Robert W.; Leeb, Steven B.; Douglas, Keith; Paris, Jim; e.a. (Massachusetts Institute of Technology. Sea Grant College Program, 2009)
      The performance of important electrical loads on mission critical systems like warships or off-shore platforms is often tracked by dedicated monitoring equipment. Individual monitoring of each load is expensive and risky. ...

    • Design and Performance of Odyssey IV: A Deep Ocean Hover-Capable AUV 

      Eskesen, Justin; Owens, Dylan; Soroka, Michael; Morash, Jim; Hover, Franz S.; e.a. (Massachusetts Institute of Technology. Sea Grant College Program, 2009)
      The Odyssey IV class AUV was designed to fill the evolving needs of research and industry for a deep rated (6000 meter) vehicle, which is capable of both efficient cruising and precise hovering. This AUV is powerful enough ...

    • Seeking Didemnum on Georges Bank 

      Pederson, Judith (Massachusetts Institute of Technology. Sea Grant College Program, 2009)
      Preliminary report of the MITSG Autonomous Underwater Vehicle cruise to Georges Bank on July 8-21 of 2008. The purpose of this cruise was to test the efficacy of an acoustic sensor in identifying the distribution of an ...

    • Gulf of Maine Strategic Regional Ocean Science Plan 

      Pederson, Judith (Massachusetts Institute of Technology. Sea Grant College Program, 2009-02)
      The Gulf of Maine Regional Ocean Science Initiative evolved from an awareness of the importance of integrated approaches to addressing ecological, environmental, and social influences in coastal and marine ecosystems at ...